package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@Slf4j
@RestController("adminDishController")
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    @PostMapping( )
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO ) {
        log.info("新增菜品{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);
        //删除缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();

    }
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> pageResultResult(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping()
    @ApiOperation("批量删除菜品")
    public Result deleteByIDs(@RequestParam List<Long> ids) {
        log.info("删除菜品：{}", ids);
        dishService.deleteBatch(ids);
        //将所有的菜品数据从Redis中删除
        cleanCache("dish_*");
        return Result.success();
    }
    /**
     * 根据id查询菜品和对应的口味
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品：{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }
    @PutMapping()
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品{}", dishDTO);
        dishService.update(dishDTO);
        //将所有的菜品数据从Redis中删除
        cleanCache("dish_*");
        return Result.success();
    }
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        log.info("根据分类id查询菜品：{}", categoryId);
        List<Dish> list =dishService.list(categoryId);
        return Result.success(list);
    }
    @PostMapping("/status/{status}")
    @ApiOperation("起售、停售菜品")
    public Result startOrStop(@PathVariable Integer status, Long id) {
        log.info("起售、停售菜品：{}", id);
        dishService.startOrStop(status, id);
        //将所有的菜品数据从Redis中删除
        cleanCache("dish_*");
        return Result.success();
    }
    /**
     * 清理缓存数据
     * @param pattern
     */
    private  void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);

    }

}
